.fade-enter-active, .fade-leave-active
  transition opacity 0.28s
.fade-enter, .fade-leave-active
  opacity 0
.fade-transform-leave-active, .fade-transform-enter-active
  transition all 0.5s
.fade-transform-enter
  opacity 0
  transform translateX(-30px)
.fade-transform-leave-to
  opacity 0
  transform translateX(30px)
.breadcrumb-enter-active, .breadcrumb-leave-active
  transition all 0.5s
.breadcrumb-enter, .breadcrumb-leave-active
  opacity 0
  transform translateX(20px)
.breadcrumb-move
  transition all 0.5s
.breadcrumb-leave-active
  position absolute
